Submission #1437736
Source Code Expand
#include <iostream> #include <iomanip> #include <algorithm> #include <cmath> #include <string> #include <stack> #include <queue> #define SIZE 100001 #define MOD 1000000007 #define INF 100000000 using namespace std; int main(void){ typedef pair <int,int> P; int r,c; int sy,sx,gy,gx; char meiro[50][50]; bool flag[50][50]; int dx[4] = {1,0,-1,0}, dy[4] = {0,1,0,-1}; cin >> r >> c; cin >> sy >> sx; cin >> gy >> gx; sx--: sy--; gx--; gy--; for (int i = 0; i < r; ++i) { for (int j = 0; j < c; ++j) cin >> meiro[i][j]; } for (int i = 0; i < r; ++i) { for (int j = 0; j < c; ++j) flag[i][j] = false; } queue <P> q; queue <int> num; q.push(P(sy,sx)); flag[sy][sx] = true; num.push(0); int count; while(!q.empty()){ P now = q.front(); count = num.front(); q.pop(); num.pop(); if(now.first == gy && now.second == gx) break; for(int i = 0; i < 4 ; i++ ){ int a = now.first + dy[i]; int b = now.second + dx[i]; if(flag[a][b] == false && meiro[a][b] == '.'){ q.push(P(a,b)); num.push(count + 1); flag[a][b] = true; } } } cout <<count << endl; return 0; }
Submission Info
Submission Time | |
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Task | C - 幅優先探索 |
User | tsupi |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1228 Byte |
Status | CE |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:26:6: error: expected ‘;’ before ‘:’ token sx--: ^